On Mon, Feb 06, 2017 at 11:28:24AM +0530, Gaurav Sharma wrote: > Is it possible to generate a PCIe burst of greater than 2dw for any MMIO. > I see we have limit of max 2dw operation for any MemoryRegion defined by > the max access size.
My understanding is that QEMU does not emulate bursts because it's a functional simulator rather than low-level PCI bus transaction simulator. You might be interested in KVM's coalesced MMIO feature. That is a performance optimization but it's not PCI-specific. Why are you trying to do PCIe bursts? Stefan
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